21067135

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{683}}^1$

素因数の和:918

約数の個数: 16

約数和(自身を含む): 26265600

約数和(自身を除く): 5198465

約数列:

[1, 5, 31, 155, 199, 683, 995, 3415, 6169, 21173, 30845, 105865, 135917, 679585, 4213427, 21067135]

約数ペア:

[(1, 21067135), (5, 4213427), (31, 679585), (155, 135917), (199, 105865), (683, 30845), (995, 21173), (3415, 6169)]